【国外标准】 Information technology - Metadata registries (MDR) - Part 3: Metamodel for registry common facilities

Specifies the information to be recorded in a metadata registry in the form of a conceptual data model: Clause 5 specifies the approach used to model a metadata registry; Clause 6 specifies the Core Model of the registry, including basic types and classes to be reused in extending the model. The core model defines a generic registry item , from which any type of item that needs to registered can be sub-classed; Clause 7 specifies the metamodel for Identification of registry items; Clause 8 specifies the metamodel for Designation and Definition of registry items; Clause 9 specifies the metamodel for Registration of registry items; Clause 10 specifies the metamodel for Classification of registry items; Clause 11 specifies the metamodel for Mapping among registry items.